/*
 * Copyright (C) 2010-2011 sunjumper@163.com
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *  http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package mf.mfrpc.serialize;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

/**
 * 流数据迭代器的适配类。
 */
public class AdapterDataSourceIterator implements DataSourceIterator {

    protected transient Iterator<DataSource> dit;

    public AdapterDataSourceIterator(DataSource... dataSources) {
        List<DataSource> filelist = new ArrayList<DataSource>(dataSources.length);
        for (DataSource ds : dataSources) {
            filelist.add(ds);
        }
        dit = filelist.iterator();
    }

    public AdapterDataSourceIterator(Collection<DataSource> dataSources) {
        dit = dataSources.iterator();
    }

    @Override
    public boolean hasNext() {
        return dit.hasNext();
    }

    @Override
    public DataSource next() {
        return dit.next();
    }
}
